Cate is NOT happy with Baze in this scene. It's courtesy of the episode "Formal Reformed."
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Bug and Lux have an interesting relationship. They are seen here at the Winter Formal.
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In this image from the March 15 episode of Life Unexpected, Lux spends some quality time with Bug. Where? At the prom.
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Life Unexpected Season 1 Episode 9 Quotes

What are you wearing?

Math

I'd rather eat paste.

Lux